Home / 217,621.35-326,394.43-57,698.39

Finding the Fourth Proportional to 217,621.35, 326,394.43 and 57,698.39

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Solution

The fourth proportional to 217,621.35, 326,394.43 and 57,698.39 is: 86,537.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,621.35 : 326,394.43 = 57,698.39 : x
  2. Step 2: Convert to fraction form
    217,621.35/326,394.43 = 57,698.39/x
  3. Step 3: Cross multiply
    217,621.35x = 326,394.43 × 57,698.39
  4. Step 4: Simplify right side
    217,621.35x = 18,832,433,787.71
  5. Step 5: Solve for x
    x = 18,832,433,787.71/217,621.35
  6. Step 6: Final answer
    x = 86,537.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.